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Finding the Fourth Proportional to 55,298.40, 82,958.40 and 22,012.80

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Solution

The fourth proportional to 55,298.40, 82,958.40 and 22,012.80 is: 33,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,298.40 : 82,958.40 = 22,012.80 : x
  2. Step 2: Convert to fraction form
    55,298.40/82,958.40 = 22,012.80/x
  3. Step 3: Cross multiply
    55,298.40x = 82,958.40 × 22,012.80
  4. Step 4: Simplify right side
    55,298.40x = 1,826,146,667.52
  5. Step 5: Solve for x
    x = 1,826,146,667.52/55,298.40
  6. Step 6: Final answer
    x = 33,023.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.